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Finding the Fourth Proportional to 376,463.22, 519,520.05 and 206,708.10

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Solution

The fourth proportional to 376,463.22, 519,520.05 and 206,708.10 is: 285,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,463.22 : 519,520.05 = 206,708.10 : x
  2. Step 2: Convert to fraction form
    376,463.22/519,520.05 = 206,708.10/x
  3. Step 3: Cross multiply
    376,463.22x = 519,520.05 × 206,708.10
  4. Step 4: Simplify right side
    376,463.22x = 107,389,002,447.41
  5. Step 5: Solve for x
    x = 107,389,002,447.41/376,463.22
  6. Step 6: Final answer
    x = 285,257.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.